6 juill. 8 - By age 8 or 9, the HPG axis initiates hormonal change. Hypopthalamus signals the pituitary gland to release GnRH, which causes the gonads to enlarge and produce their own hormones. Testosterone and oestrogen flushing reorganizes the brain. A second burst of synaptogenesis commmences.
Ajouté au bande de temps:
Date:
6 juill. 8
Maintenaint
~ Il y a 2018 ans